Finding the Fourth Proportional to 9,776,371.41, 13,488,271.61 and 5,645,857.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776,371.41 : 13,488,271.61 = 5,645,857.10 : x
2. Step 2: Convert to fraction form
   9,776,371.41/13,488,271.61 = 5,645,857.10/x
3. Step 3: Cross multiply
   9,776,371.41x = 13,488,271.61 × 5,645,857.10
4. Step 4: Simplify right side
   9,776,371.41x = 76,152,853,940,376.28
5. Step 5: Solve for x
   x = 76,152,853,940,376.28/9,776,371.41
6. Step 6: Final answer
   x = 7,789,480.45